Answer:
21
Step-by-step explanation:
2 : 1
54:27
Divide each side by 27
54/27:27/27
The answer is 3x^3+15x^2-12x.
210
30+30=60+30=90+30=120+30=150+30=180+30=210
yesterday 9 today 10
46/5= 9.2
52/5= 10.4
2/3 I think I'm not completely sure